18073-3517 BRT1756AC

 
 
18h 07m 15.99s -35 17' 05.7" P.A. 162 sep 9.2 mag 10.62,13.40 Sp B9
 
 
Coord 2000
18073-3517
Discov num
BRT1756
Comp
AC
Coord arcsec 2000
18 07 15.99 -35 17 05.7
Date first
1912
Date last
2000
Obs
7
Pa first
157
Pa last
162
P.A. Now (θ)
162°
Sep first
9.4
Sep last
9.2
Sep. Now (ρ)
9.2"
Mag pri
10.62
Mag sec
13.40
delta mag (ΔM)
2.78
Spectral class
B9 (blue-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18073-3517 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18073-3517 BRT1756 AB 1912 2014 8 96 6.3 10.62 12.40 1.78
Show 18073-3517 BRT1756 AC 1912 2000 7 162 9.2 10.62 13.40 2.78 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
161.7
Precise sep
9.18
Constellation
Sagittarius
Tycho2
7399-00841-1
HD
321287
last precise pa
161.7
last precise sep
9.18
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18073-3517 BRT1756 AC 1913 2 275 7.6 10.62 13.40 B9 180715.99-351705.7
18073-3517 BRT1756 AC 2000 3 162 9.2 10.62 13.40 B9 180715.99-351705.7

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